Properties of the Number 8904

Eight Thousand Nine Hundred Four

Basics

Value: 8903 → 8904 → 8905

Parity: even

Prime: No

Previous Prime: 8893

Next Prime: 8923

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 7 × 53

Divisors: 1, 2, 3, 4, 6, 7, 8, 12, 14, 21

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001011001000

Octal: 21310

Duodecimal: 51A0

Hexadecimal: 22c8

Square: 79281216

Square Root: 94.36100889668359

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Tribonacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) with a(0)=0, a(1)=1, a(2)=0. A1590

Expansion of (1-x)/(1+x-x²+x³). A78042

a(n) = n*(2 + 5·n). A168668

T(n,k)=Number of nXk 0..3 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero. A231108

Numbers k such that φ(x) = k has exactly 12 solutions. A60675

Number of normal multiset partitions of weight n where each part has a different average. A326521

a(n) = ∑_k=0..n T(n, k), array T as in A047080. A47081

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 0 1 and 1 0 1 vertically. A209650

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally and vertically. A253367

Number of regions among all distinct circles that can be constructed from an n X n square grid of points when each pair of points is connected by a circle and the points lie at the ends of a diameter of the circle. A360352